[ALACPP] boost::function shortcoming

[Gavin Doughtie <gavin@xxxxxxxx>]

So, I was wondering if there was a way to compare two boost::function  
objects to see if they were bound to the same function. Greg, quite
sensibly, wanted a unit test to ensure that the default bindings were
correct, and there was no way that we could find to dig the original  
function pointer out and check it.
    
Fortunately, in this case we were able to use a raw function pointer, but
it begs the question -- I could see not comparing two boost::bound
function objects as the member instances might be different, but even then
I'd like to do some kind of type checking.
    
Gavin
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